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Fingerprint scanner issue
Dec 7, 2018

My OnePlus 6's fingerprint scanner fails to respond when in sleep mode at times. I have to press the power button to wake the device and that's when the scanner responds. Anyone have a similar issue and/or fix? Rebooting doesn't help.

Is it working after you pick the phone in your hands?
And check whether the sensor near the notch is blocked or not while using fingerprint. If you block the sensor then it will respond as it is in pocket